Induction Heating Machine for Hot Rolling Mill - Preheat Treatment for Steel Plates & Iron Sheets | China Suppliers & Factory
Product Description
This high-frequency induction heating machine delivers efficient pre-heating (up to 1200°C) for steel plates and iron sheets in hot rolling mills, featuring precise temperature control with ±5°C accuracy through advanced IGBT technology. Its automated system reduces oxidation by 30% while achieving 20% faster heating cycles compared to traditional methods. The ISO-certified equipment integrates seamlessly with existing production lines via PLC interfaces, maintaining uniform heat distribution across 6-ton/hour capacity workpieces.
Application Scope
This induction heating system is specifically designed for hot rolling mill applications, providing efficient pre-heating for carbon steel plates, alloy steel sheets, and structural iron components with thicknesses ranging from 5mm to 150mm. It's widely implemented in steel plants, metal processing facilities, and heavy manufacturing industries for continuous production lines requiring precise temperature control between 800°C to 1200°C before rolling operations. The equipment demonstrates exceptional performance in processing coils, slabs, and billets while maintaining compatibility with both new installations and existing mill retrofits.
Configuration and Performance
The induction heating system features a modular design with IGBT-based power units (200-3000kW adjustable), dual-frequency operation (1-10kHz), and integrated PLC control with HMI interface. Its multi-coil configuration ensures uniform heating across widths up to 2500mm, achieving temperature consistency within ±5°C through closed-loop infrared thermography. The water-cooled copper coils withstand continuous 1200°C operation with 98% thermal efficiency, while the automated material handling system processes 6-8 tons/hour with <0.3% material oxidation. Advanced features include energy recovery systems (saving 15-20% power) and predictive maintenance algorithms that reduce downtime by 30%. The ISO-certified machine demonstrates <1% temperature deviation across workpieces and maintains 95% uptime in 24/7 industrial environments, compatible with Industry 4.0 protocols for seamless MES integration.
Technical Specifications
General Parameters
- Equipment Type: IGBT-based induction heating system for metal processing
- Application: Pre-heating of steel plates/iron sheets (5-150mm thickness) prior to hot rolling
- Certifications: ISO compliant with Industry 4.0 integration capability
- Temperature Range: 800°C to 1200°C (adjustable with ±5°C precision)
- Heating Capacity: customized based on client's requirement
- Power Configuration: Modular 200-3000kW IGBT units with dual-frequency operation (1-10kHz)
- Efficiency: 98% thermal efficiency with 15-20% energy recovery system
3. Mechanical Configuration
- Coil System: Water-cooled copper coils (2500mm max width, multi-zone design)
- Material Handling: Automated conveyor with <0.3% oxidation rate
- Control System: PLC with HMI interface and infrared thermography feedback
4. Physical Dimensions
- Machine Size: customized based on output power
- Weight: depends on machine output power
- Interface: Standard PCIE/RS485 communication ports
5. Operational Standards
- Uptime: 95% reliability in 24/7 industrial environments
- Maintenance: Predictive algorithms reducing downtime by 30%
- Safety: Overload protection and emergency stop systems
Application Scenarios
Frequently Asked Questions
What is the temperature range and control accuracy of the induction heating machine?
The machine provides efficient pre-heating with a temperature range of 800°C to 1200°C. It features precise temperature control with ±5°C accuracy through advanced IGBT technology and closed-loop infrared thermography feedback.
What thickness of steel plates and iron sheets can this system pre-heat?
This induction heating system is designed to pre-heat carbon steel plates, alloy steel sheets, and structural iron components with thicknesses ranging from 5mm to 150mm.
How does the equipment reduce material oxidation during the heating cycle?
The automated system reduces oxidation by 30% compared to traditional heating methods, maintaining a final material oxidation rate of less than 0.3% while achieving 20% faster heating cycles.
What are the power configuration options and heating capacity?
It features modular 200-3000kW IGBT power units with dual-frequency operation (1-10kHz). The system operates with 98% thermal efficiency and can process 6-8 tons/hour, customizable based on the client's output requirements.
Does the system support integration with existing production lines and Industry 4.0?
Yes, the equipment integrates seamlessly via PLC interfaces and standard PCIE/RS485 communication ports. It is fully compatible with Industry 4.0 protocols for seamless MES integration and features predictive maintenance algorithms that reduce downtime by 30%.


